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<a href="fluid__surface__complex_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -------------------------------------------------------------------------*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">*                               SPHinXsys                                   *</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">* --------------------------------------------------------------------------*</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">* SPHinXsys (pronunciation: s&#39;finksis) is an acronym from Smoothed Particle *</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">* Hydrodynamics for industrial compleX systems. It provides C++ APIs for    *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">* physical accurate simulation and aims to model coupled industrial dynamic *</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">* systems including fluid, solid, multi-body dynamics and beyond with SPH   *</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">* (smoothed particle hydrodynamics), a meshless computational method using  *</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">* particle discretization.                                                  *</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">*                                                                           *</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">* SPHinXsys is partially funded by German Research Foundation               *</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">* (Deutsche Forschungsgemeinschaft) DFG HU1527/6-1, HU1527/10-1             *</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">* and HU1527/12-1.                                                          *</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">*                                                                           *</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">* Portions copyright (c) 2017-2020 Technical University of Munich and       *</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">* the authors&#39; affiliations.                                                *</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">*                                                                           *</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">* Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may   *</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">* not use this file except in compliance with the License. You may obtain a *</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">* copy of the License at http://www.apache.org/licenses/LICENSE-2.0.        *</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">*                                                                           *</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">* --------------------------------------------------------------------------*/</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#ifndef FLUID_SURFACE_COMPLEX_H</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#define FLUID_SURFACE_COMPLEX_H</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="fluid__surface__inner_8hpp.html">fluid_surface_inner.hpp</a>&quot;</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="fluid__dynamics__complex_8hpp.html">fluid_dynamics_complex.hpp</a>&quot;</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespace_s_p_h.html">SPH</a></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;{</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <span class="keyword">namespace </span>fluid_dynamics</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    {</div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_free_surface_indication_complex.html">   45</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_free_surface_indication_complex.html">FreeSurfaceIndicationComplex</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_free_surface_indication_inner.html">FreeSurfaceIndicationInner</a>, <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_data_delegate_contact.html">FluidContactData</a></div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;        {</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        <span class="keyword">public</span>:</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;            <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_free_surface_indication_complex.html">FreeSurfaceIndicationComplex</a>(<a class="code" href="class_s_p_h_1_1_base_body_relation_inner.html">BaseBodyRelationInner</a> &amp;inner_relation,</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;                                         <a class="code" href="class_s_p_h_1_1_base_body_relation_contact.html">BaseBodyRelationContact</a> &amp;contact_relation, Real thereshold = 0.75);</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;            <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_free_surface_indication_complex.html">FreeSurfaceIndicationComplex</a>(<a class="code" href="class_s_p_h_1_1_complex_body_relation.html">ComplexBodyRelation</a> &amp;complex_relation, Real thereshold = 0.75);</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_free_surface_indication_complex.html">FreeSurfaceIndicationComplex</a>(){};</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        <span class="keyword">protected</span>:</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;            <a class="code" href="class_std_vec_3_01_real_01_4.html">StdVec&lt;Real&gt;</a> contact_inv_rho0_;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;            StdVec&lt;StdLargeVec&lt;Real&gt; *&gt; contact_mass_;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Interaction(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        };</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        <span class="keyword">using</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_spatial_temporal_free_surface_identification.html">SpatialTemporalFreeSurfaceIdentificationComplex</a> =</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;            <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_spatial_temporal_free_surface_identification.html">SpatialTemporalFreeSurfaceIdentification&lt;FreeSurfaceIndicationComplex&gt;</a>;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="fluid__surface__complex_8h.html#ad735239fd89496d0f8b04794743cf9ea">   63</a></span>&#160;        <span class="keyword">using</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_density_summation.html">DensitySummationFreeSurfaceComplex</a> = <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_density_summation.html">DensitySummation&lt;DensitySummationFreeSurfaceInner&gt;</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="fluid__surface__complex_8h.html#ab06120f0484067f0bb641c20975959b9">   65</a></span>&#160;        <span class="keyword">using</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_density_summation.html">DensitySummationFreeStreamComplex</a> = <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_density_summation.html">DensitySummation&lt;DensitySummationFreeStreamInner&gt;</a>;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_color_function_gradient_complex.html">   71</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_color_function_gradient_complex.html">ColorFunctionGradientComplex</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_color_function_gradient_inner.html">ColorFunctionGradientInner</a>, <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_data_delegate_contact.html">FluidContactData</a></div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        {</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        <span class="keyword">public</span>:</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;            <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_color_function_gradient_complex.html">ColorFunctionGradientComplex</a>(<a class="code" href="class_s_p_h_1_1_base_body_relation_inner.html">BaseBodyRelationInner</a> &amp;inner_relation, <a class="code" href="class_s_p_h_1_1_base_body_relation_contact.html">BaseBodyRelationContact</a> &amp;contact_relation);</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;            <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_color_function_gradient_complex.html">ColorFunctionGradientComplex</a>(<a class="code" href="class_s_p_h_1_1_complex_body_relation.html">ComplexBodyRelation</a> &amp;complex_relation);</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_color_function_gradient_complex.html">ColorFunctionGradientComplex</a>(){};</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="keyword">protected</span>:</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;            StdVec&lt;StdLargeVec&lt;Real&gt; *&gt; contact_Vol_;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Interaction(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        };</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_surface_norm_with_wall.html">   88</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_surface_norm_with_wall.html">SurfaceNormWithWall</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_interaction_dynamics.html">InteractionDynamics</a>, <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_data_delegate_contact.html">FSIContactData</a></div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        {</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="keyword">public</span>:</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;            <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_surface_norm_with_wall.html">SurfaceNormWithWall</a>(<a class="code" href="class_s_p_h_1_1_base_body_relation_contact.html">BaseBodyRelationContact</a> &amp;contact_relation, Real contact_angle);</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_surface_norm_with_wall.html">SurfaceNormWithWall</a>(){};</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;        <span class="keyword">protected</span>:</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;            Real contact_angle_;</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;            Real smoothing_length_;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;            Real particle_spacing_;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;            StdLargeVec&lt;int&gt; &amp;surface_indicator_;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;            <a class="code" href="class_std_large_vec_3_01_vecd_01_4.html">StdLargeVec&lt;Vecd&gt;</a> &amp;surface_norm_;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;            <a class="code" href="class_std_large_vec_3_01_real_01_4.html">StdLargeVec&lt;Real&gt;</a> &amp;pos_div_;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;            StdVec&lt;StdLargeVec&lt;Vecd&gt; *&gt; wall_n_;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_surface_norm_with_wall.html#aa1ea133666a12c5d53cbd54a0a450716">Interaction</a>(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        };</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    }</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;}</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="preprocessor">#endif //FLUID_SURFACE_COMPLEX_H</span></div><div class="ttc" id="class_std_large_vec_3_01_real_01_4_html"><div class="ttname"><a href="class_std_large_vec_3_01_real_01_4.html">StdLargeVec&lt; Real &gt;</a></div></div>
<div class="ttc" id="fluid__dynamics__complex_8hpp_html"><div class="ttname"><a href="fluid__dynamics__complex_8hpp.html">fluid_dynamics_complex.hpp</a></div></div>
<div class="ttc" id="class_s_p_h_1_1_base_body_relation_contact_html"><div class="ttname"><a href="class_s_p_h_1_1_base_body_relation_contact.html">SPH::BaseBodyRelationContact</a></div><div class="ttdoc">The base relation between a SPH body and its contact SPH bodies. </div><div class="ttdef"><b>Definition:</b> base_body_relation.h:136</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_color_function_gradient_inner_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_color_function_gradient_inner.html">SPH::fluid_dynamics::ColorFunctionGradientInner</a></div><div class="ttdoc">indicate the particles near the interface of a fluid-fluid interaction and computing norm ...</div><div class="ttdef"><b>Definition:</b> fluid_surface_inner.h:175</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_free_surface_indication_complex_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_free_surface_indication_complex.html">SPH::fluid_dynamics::FreeSurfaceIndicationComplex</a></div><div class="ttdoc">indicate the particles near the free fluid surface. </div><div class="ttdef"><b>Definition:</b> fluid_surface_complex.h:45</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_density_summation_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_density_summation.html">SPH::fluid_dynamics::DensitySummation</a></div><div class="ttdoc">computing density by summation considering contribution from contact bodies </div><div class="ttdef"><b>Definition:</b> fluid_dynamics_complex.h:76</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_free_surface_indication_inner_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_free_surface_indication_inner.html">SPH::fluid_dynamics::FreeSurfaceIndicationInner</a></div><div class="ttdoc">indicate the particles near the free surface of a fluid body. Note that, SPHinXsys does not require t...</div><div class="ttdef"><b>Definition:</b> fluid_surface_inner.h:46</div></div>
<div class="ttc" id="class_std_large_vec_3_01_vecd_01_4_html"><div class="ttname"><a href="class_std_large_vec_3_01_vecd_01_4.html">StdLargeVec&lt; Vecd &gt;</a></div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_spatial_temporal_free_surface_identification_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_spatial_temporal_free_surface_identification.html">SPH::fluid_dynamics::SpatialTemporalFreeSurfaceIdentification</a></div><div class="ttdoc">using the spatial-temporal method to indicate the surface particles to avoid mis-judgement. </div><div class="ttdef"><b>Definition:</b> fluid_surface_inner.h:70</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_surface_norm_with_wall_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_surface_norm_with_wall.html">SPH::fluid_dynamics::SurfaceNormWithWall</a></div><div class="ttdoc">Modify surface norm when contact with wall. </div><div class="ttdef"><b>Definition:</b> fluid_surface_complex.h:88</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_surface_norm_with_wall_html_aa1ea133666a12c5d53cbd54a0a450716"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_surface_norm_with_wall.html#aa1ea133666a12c5d53cbd54a0a450716">SPH::fluid_dynamics::SurfaceNormWithWall::Interaction</a></div><div class="ttdeci">virtual void Interaction(size_t index_i, Real dt=0.0) override</div><div class="ttdef"><b>Definition:</b> fluid_surface_complex.cpp:102</div></div>
<div class="ttc" id="class_s_p_h_1_1_data_delegate_contact_html"><div class="ttname"><a href="class_s_p_h_1_1_data_delegate_contact.html">SPH::DataDelegateContact</a></div><div class="ttdoc">prepare data for contact particle dynamics </div><div class="ttdef"><b>Definition:</b> base_particle_dynamics.h:240</div></div>
<div class="ttc" id="fluid__surface__inner_8hpp_html"><div class="ttname"><a href="fluid__surface__inner_8hpp.html">fluid_surface_inner.hpp</a></div></div>
<div class="ttc" id="class_s_p_h_1_1_complex_body_relation_html"><div class="ttname"><a href="class_s_p_h_1_1_complex_body_relation.html">SPH::ComplexBodyRelation</a></div><div class="ttdoc">The relation combined an inner and a contact body relation. The interaction is in a inner-boundary-co...</div><div class="ttdef"><b>Definition:</b> complex_body_relation.h:42</div></div>
<div class="ttc" id="class_s_p_h_1_1_interaction_dynamics_html"><div class="ttname"><a href="class_s_p_h_1_1_interaction_dynamics.html">SPH::InteractionDynamics</a></div><div class="ttdoc">This is the class for particle interaction with other particles. </div><div class="ttdef"><b>Definition:</b> particle_dynamics_algorithms.h:115</div></div>
<div class="ttc" id="class_std_vec_3_01_real_01_4_html"><div class="ttname"><a href="class_std_vec_3_01_real_01_4.html">StdVec&lt; Real &gt;</a></div></div>
<div class="ttc" id="class_s_p_h_1_1_base_body_relation_inner_html"><div class="ttname"><a href="class_s_p_h_1_1_base_body_relation_inner.html">SPH::BaseBodyRelationInner</a></div><div class="ttdoc">The abstract relation within a SPH body. </div><div class="ttdef"><b>Definition:</b> base_body_relation.h:117</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_color_function_gradient_complex_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_color_function_gradient_complex.html">SPH::fluid_dynamics::ColorFunctionGradientComplex</a></div><div class="ttdoc">indicate the particles near the free fluid surface. </div><div class="ttdef"><b>Definition:</b> fluid_surface_complex.h:71</div></div>
<div class="ttc" id="namespace_s_p_h_html"><div class="ttname"><a href="namespace_s_p_h.html">SPH</a></div><div class="ttdef"><b>Definition:</b> solid_body_supplementary.cpp:9</div></div>
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